Purple Mica Muscovite 8mm Round - 15-16 Inch 20210629 Some specimens of Fire Opal

Some specimens of Fire Opal produce iridescent flashes and are referred to as Precious Fire Opal or “Firmament Stone

It ranges from almost completely transparent to an almost opaque brownish to gray crystal

Use the Nylon Jaw Pliers for flattening and hardening designs after shaping

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica-rich stones

The most precious Fire Opal has flashes of iridescence and is known as Precious Fire Opal or “Firmament Stone

Purple Mica Muscovite 8mm Round - 15-16 Inch 20210629 Some specimens of Fire OpalMica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet silicates because they form in distinct layers. Micas are fairly light and relatively soft, and the sheets and flakes of mica are flexible. Mica is heat resistant and does not conduct electricity. There are 37 different mica minerals. The most common include: purple lepidolite, black biotite, brown phlogopite